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Apache Tomcat
The Apache Tomcat® software is an open source implementation
of the
Jakarta Servlet,
Jakarta Server Pages,
Jakarta Expression Language,
Jakarta WebSocket,
Jakarta Annotations and
Jakarta Authentication
specifications. These specifications are part of the
Jakarta EE platform.
The Jakarta EE platform is the evolution of the Java EE platform. Tomcat 10
and later implement specifications developed as part of Jakarta EE. Tomcat 9 and
earlier implement specifications developed as part of Java EE.
The Apache Tomcat software is developed in an open and participatory
environment and released under the
Apache License version 2. The
Apache Tomcat project is intended to be a collaboration of the best-of-breed
developers from around the world. We invite you to participate in this open
development project. To learn more about getting involved,
click here.
Apache Tomcat software powers numerous large-scale, mission-critical web
applications across a diverse range of industries and organizations. Some of
these users and their stories are listed on the
PoweredBy
wiki page.
Apache Tomcat, Tomcat, Apache, the Apache feather, and the Apache Tomcat
project logo are trademarks of the Apache Software Foundation.
2021-08-06 Tomcat 9.0.52 Released
The Apache Tomcat Project is proud to announce the release of version 9.0.52
of Apache Tomcat. This release implements specifications that are part of the
Java EE 8 platform. The notable changes compared to 9.0.50 include:
- Correct a regression in the previous release in the HTTP/2 flow
control window management
- Correct a regression the could cause some TLS connections to hang when
using NIO
- Use of GraalVM native images no longer automatically disables JMX
support
Full details of these changes, and all the other changes, are available in the
Tomcat 9
changelog.
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2021-08-05 Tomcat 10.0.10 Released
The Apache Tomcat Project is proud to announce the release of version 10.0.10
of Apache Tomcat. This release implements specifications that are part of the
Jakarta EE 9 platform.
Applications that run on Tomcat 9 and earlier will not run on Tomcat 10
without changes. Java EE based applications designed for Tomcat 9 and earlier
may be placed in the $CATALINA_BASE/webapps-javaee
directory and
Tomcat will automatically convert them to Jakarta EE and copy them to the
webapps directory. This conversion is performed using the
Apache Tomcat
migration tool for Jakarta EE tool which is also available as a separate
download for off-line use.
The notable changes in this release are:
- Correct a regression in the previous release in the HTTP/2 flow control
window management
- Correct a regression the could cause some TLS connections to hang when using
NIO
- Use of GraalVM native images no longer automatically disables JMX
support.
Full details of these changes, and all the other changes, are available in the
Tomcat 10
changelog.
Download
2021-08-06 Tomcat 10.1.0-M4 (alpha) Released
The Apache Tomcat Project is proud to announce the release of version 10.1.0-M4
of Apache Tomcat. This release is a milestone release and is targeted at Jakarta
EE 10.
Applications that run on Tomcat 9 and earlier will not run on Tomcat 10
without changes. Java EE based applications designed for Tomcat 9 and earlier
may be placed in the $CATALINA_BASE/webapps-javaee
directory and
Tomcat will automatically convert them to Jakarta EE and copy them to the
webapps directory. This conversion is performed using the
Apache Tomcat
migration tool for Jakarta EE tool which is also available as a separate
download for off-line use.
The notable changes in this release are:
- The minimum Java version has been increased to Java 11 to align with the
plans for the Jakarta EE 10 platform
- Correct a regression in the previous release in the HTTP/2 flow control
window management
- Enable EL lambda expressions to be coerced to functional interfaces. This is
an implementation of a proposed extension to the Jakarta Expression Language
specification.
Full details of these changes, and all the other changes, are available in the
Tomcat 10.1
(alpha) changelog.
Download
2021-07-05 Tomcat 8.5.69 Released
The Apache Tomcat Project is proud to announce the release of version 8.5.69
of Apache Tomcat. This release implements specifications that are part of the
Java EE 7 platform. The notable changes compared to 8.5.68 include:
- Re-work the HTTP/2 overhead protection to reduce the likelihood of
false positives. Note that the default overheadCountFactor has changed
from 1 to 10 and that the useful range is now 0 to ~20.
- Fix regressions in JSP compilation in the previous release.
- Improve HTTP header parsing to ignore empty elements in 1#token
values, as per RFC 7230 section 7.
Full details of these changes, and all the other changes, are available in the
Tomcat 8.5
changelog.
Download
2021-06-04 Tomcat Native 1.2.30 Released
The Apache Tomcat Project is proud to announce the release of version 1.2.30 of
Tomcat Native. The notable changes since 1.2.28 include:
- Fix an issue where some Windows systems in some configurations would only
listen on IPv6 addresses on dual stack systems even though configured to
listen on both IPv6 and IPv4 addresses.
- Additional fix for bug 65181 (support loading private keys in proprietary
formats).
Download |
ChangeLog for 1.2.30
The Apache Tomcat Project is proud to announce the release of 1.0.0 of the
Apache Tomcat Migration Tool for Jakarta EE. This release contains a number of
bug fixes and improvements compared to version 0.2.0.
The notable changes in this release are:
- Further fixes to exclude javax.xml packages that are not part of Java EE
from the migration.
- The class transformer now validates that the target classes in the Jakarta
namespace exist in the runtime environment.
Full details of these changes, and all the other changes, are available in the
changelog.
Download
2020-03-06 Tomcat Connectors 1.2.48 Released
The Apache Tomcat Project is proud to announce the release of version 1.2.48 of
Apache Tomcat Connectors.
This version fixes a number of bugs found in previous releases.
Download |
ChangeLog for 1.2.48
2015-03-17 Apache Standard Taglib 1.2.5 Released
The Apache Tomcat Project is proud to announce the release of version 1.2.5 of
the Standard Taglib. This tag library provides Apache's implementation
of the JSTL 1.2 specification.
Version 1.2.5 is a minor bug fix release reverting a change made in 1.2.1 where
<c:import> modified the HTTP method during POST operations, and fixing an
issues that resulted in an AccessControlException during startup unless
permission was granted to read the accessExternalEntity property.
Please see the Taglibs section for more details.
Download |
Changes
2013-11-11 Tomcat Maven Plugin 2.2 Released
The Apache Tomcat team is pleased to announce the release of Tomcat Maven Plugin 2.2.
Changelog available here.
The Apache Tomcat Maven Plugin provides goals
to manipulate WAR projects within the Apache Tomcat servlet container.
The binaries are available from Maven repositories. You should specify the
version in your project's plugin configuration:
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.2</version>
</plugin>
or
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat6-maven-plugin</artifactId>
<version>2.2</version>
</plugin>
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